Observation of suppressed Auger mechanism in type-I quantum well structures with delocalized electron-hole wavefunctions

Iman Hassani Nia; Vala Fathipour; Hooman Mohseni

doi:10.1063/1.4928731

Observation of suppressed Auger mechanism in type-I quantum well structures with delocalized electron-hole wavefunctions

Iman Hassani Nia, Vala Fathipour, Hooman Mohseni

Electrical and Computer Engineering

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Abstract

We report the first observation of non-threshold Auger mechanism for a quantum well structure with Type-I band alignment. Excitation-dependent photoluminescence measurements were used to extract the Auger recombination coefficients from 77 K up to room temperature. The results verify the role of interface mediated momentum exchange as well as suppression of Auger recombination for delocalized electron-hole wavefunctions.

Original language	English (US)
Article number	087138
Journal	AIP Advances
Volume	5
Issue number	8
DOIs	https://doi.org/10.1063/1.4928731
State	Published - Aug 1 2015

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1063/1.4928731

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title = "Observation of suppressed Auger mechanism in type-I quantum well structures with delocalized electron-hole wavefunctions",

abstract = "We report the first observation of non-threshold Auger mechanism for a quantum well structure with Type-I band alignment. Excitation-dependent photoluminescence measurements were used to extract the Auger recombination coefficients from 77 K up to room temperature. The results verify the role of interface mediated momentum exchange as well as suppression of Auger recombination for delocalized electron-hole wavefunctions.",

author = "{Hassani Nia}, Iman and Vala Fathipour and Hooman Mohseni",

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AU - Hassani Nia, Iman

AU - Fathipour, Vala

AU - Mohseni, Hooman

PY - 2015/8/1

Y1 - 2015/8/1

N2 - We report the first observation of non-threshold Auger mechanism for a quantum well structure with Type-I band alignment. Excitation-dependent photoluminescence measurements were used to extract the Auger recombination coefficients from 77 K up to room temperature. The results verify the role of interface mediated momentum exchange as well as suppression of Auger recombination for delocalized electron-hole wavefunctions.

AB - We report the first observation of non-threshold Auger mechanism for a quantum well structure with Type-I band alignment. Excitation-dependent photoluminescence measurements were used to extract the Auger recombination coefficients from 77 K up to room temperature. The results verify the role of interface mediated momentum exchange as well as suppression of Auger recombination for delocalized electron-hole wavefunctions.

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Observation of suppressed Auger mechanism in type-I quantum well structures with delocalized electron-hole wavefunctions

Abstract

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